The article is about the causes and possible fixes of quite common failure, light print, of the devices of this series.

It’s difficult to give a definite answer, as the problem may be in the print cartridge or device itself.

Let’s start with the cartridge. We will need one more cartridge to check it. If you get an image with good filling then the faulty cartridge must be replaced or fixed. The most probable causes of light print are the growths of toner on the edge of doctor blade. To clean the blade from excess toner you need something thin and dense, for instance, a business card. Push it into the slot of the cartridge, through which one can see an OPC drum and developing roller. Insert it between the developing roller, metal plate and doctor blade, then moving it along the roller clean the edge of the doctor blade. If carrying out this actions you didn’t fix the problem of light print, then it is necessary to disassemble the cartridge and clean everything thoroughly. Continue reading Samsung SCX-4200 – light print problems→

The HP printer service menu contains many useful information that is sometimes necessary, but not available for a real user. To open this service menu, you need to find the required section and type in the code, which can be found in the following table, next to the device model. Continue reading Service menu codes for HP LaserJet→